Molar mass of the unknown liquid
A solution containing 10 grams of an unknown liquid and 90 grams of water has a freezing point of -3.33 degrees celcius given kf=1.86 for water the molar mass of the unknown liquid is?
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If a rod of 1025 steel 0.5 m (19.7 in) long is heated from 20 to 80 deg C (68 to 176 deg F) while its ends are maintained rigid, determine the type and magnitude of stress that develops. Assume that at 20 deg C the rod is stress free.
what is the work in joules done on the system to compress He gas from 24.0 L to 12.5 L against a pressure of 1.5 atm at a constant temperature of 37.4 C?
You are the environmentalofficer attatched to Pesticide and Toxic Chemicals Control Board. Prepare a technical brief for the Chairman of the Board on strategies for the disposal of herbicides and herbicide containers in your country.
A man of mass m1 walks along a plank of length l with a constant acceleration a relative to the plank. The mass of the plank is m2 and the coefficient of friction between the plank and the ground is mu.
The total quantity of coal burned in Canada and the United States in a year is approximately 450 x 106 t. The average quantity of sulphur in coal is 2.5%. Calculate the mass of sulphur contained in coal.
When she introduced 3.63E-2 moles of N2(g) and 6.18E-2 moles of H2(g) into a 1.00 Liter container, she found the equilibrium concentration of NH3(g) to be 9.68E-4 M. Calculate the equilibrium constant, Kc, she obtained for this reaction.
A tightly sealed 5.0 L flask contains argon at 71.6 deg. C and 781 mm Hg. The flask is heated until the pressure is doubled. What it the temperature of the gas?
An underground iron pipe in damp soil is to be protected from rusting. Which of the following techniques would NOT work?
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult